Remove UTF-8 BOM

Author: kylekatarnls

src/Phug/Reader.php

@@ -129,6 +129,10 @@ class Reader
     public function __construct($input, $encoding = null)
     {
         $this->input = (string) $input;
+        // Remove UTF-8 BOM
+        if (substr($this->input, 0, 3) === pack('H*', 'EFBBBF')) {
+            $this->input = substr($this->input, 3);
+        }
         $this->encoding = $encoding ?: $this->defaultEncoding;
 
         $this->position = 0;

tests/Phug/ReaderTest.php

@@ -874,4 +874,14 @@ public function testReadmeSecondLexingExample()
                 'title' => '(title ? title : \'Sorry, no title.\')',
             ], ], $element);
     }
+
+    /**
+     * @covers ::__construct
+     * @group utf8
+     */
+    public function testUtf8BomRemove()
+    {
+        $reader = new Reader(file_get_contents(__DIR__.'/../utf8bom.pug'));
+        self::assertTrue($reader->peekChar('p'));
+    }
 }

tests/utf8bom.pug

@@ -0,0 +1 @@
+p "foo"